------------[ cut here ]------------ WARNING: kernel/vhost_task.c:97 at __vhost_task_wake+0xbb/0xd0 kernel/vhost_task.c:97, CPU#1: syz.0.973/9926 Modules linked in: CPU: 1 UID: 0 PID: 9926 Comm: syz.0.973 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:__vhost_task_wake+0xbb/0xd0 kernel/vhost_task.c:97 Code: 38 00 74 08 48 89 df e8 03 8b 95 00 48 8b 3b 5b 41 5e 41 5f e9 a6 45 01 00 e8 81 f0 30 00 90 0f 0b 90 eb 8b e8 76 f0 30 00 90 <0f> 0b 90 5b 41 5e 41 5f e9 18 17 f8 09 cc 0f 1f 80 00 00 00 00 90 RSP: 0018:ffffc9000c3876c0 EFLAGS: 00010293 RAX: ffffffff818eed7a RBX: ffff88807a26e800 RCX: ffff88802590dac0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000c387790 R08: ffff88807a26e877 R09: 1ffff1100f44dd0e R10: dffffc0000000000 R11: ffffed100f44dd0f R12: 1ffff92001870ee0 R13: dffffc0000000000 R14: 0000000000000002 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125add000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f053a012749 CR3: 0000000069d36000 CR4: 00000000003526f0 Call Trace: vhost_worker_queue+0x194/0x260 drivers/vhost/vhost.c:253 __vhost_worker_flush+0x134/0x1e0 drivers/vhost/vhost.c:290 vhost_worker_flush drivers/vhost/vhost.c:303 [inline] vhost_dev_flush+0xb2/0x130 drivers/vhost/vhost.c:313 vhost_net_flush+0x24/0x170 drivers/vhost/net.c:1411 vhost_net_release+0x66/0x370 drivers/vhost/net.c:1432 __fput+0x44c/0xa70 fs/file_table.c:468 task_work_run+0x1d4/0x260 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x6b5/0x2300 kernel/exit.c:966 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107 get_signal+0x1285/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0xa0/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:40 [inline] exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] irqentry_exit_to_user_mode+0x7e/0x110 kernel/entry/common.c:73 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0033:0x7f0fdaa67ff5 Code: Unable to access opcode bytes at 0x7f0fdaa67fcb. RSP: 002b:00007ffe330641f0 EFLAGS: 00000283 RAX: 00007f0fd98dd910 RBX: 00007f0fd98dd880 RCX: ffffffff88eac765 RDX: ffffffff88eac765 RSI: ffffffff88eac765 RDI: 00007f0fd98dd938 RBP: 00007f0fd98dd860 R08: 00007f0fd98dd8c8 R09: 00007f0fdadc2000 R10: 00007f0fd95f9008 R11: 00000000000000ff R12: 00007f0fd98dd858 R13: 0000000000000013 R14: 00007ffe33064448 R15: 00007f0fd95f9008